<nb-layout>
  <nb-layout-header fixed>
    <a href="#" class="toggle" (click)="toggle()">
      <i class="nb-menu"></i>
    </a>
    <a class="title"><span>ngx-admin-demo</span></a>
    <nb-select [selected]="currentTheme" (selectedChange)="changeTheme($event)" status="primary">
      <nb-option *ngFor="let theme of themes" [value]="theme.value"> {{ theme.name }}</nb-option>
    </nb-select>
    <div class="user">
      <ngx-users></ngx-users>
    </div>
  </nb-layout-header>

  <nb-sidebar>
    <nb-menu [items]="menu"></nb-menu>
  </nb-sidebar>

  <nb-layout-column class="colored-column-basic">
    <router-outlet></router-outlet>
  </nb-layout-column>
</nb-layout>
